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Johns Hopkins Children's Center receives Gates funding for tuberculosis bacterium tracker

Johns Hopkins Children's Center has received a $946,000 grant from the Bill & Melinda Gates Foundation to design a system that visually tracks the behavior of the tuberculosis bacterium in the body and its response to current and new drug treatments.

4 Dec 2007

Hazards of CT scans overstated

Concerns over possible radiation effects of CT scans detailed in a report yesterday in the New England Journal of Medicine should not scare people away from getting medically needed CT scans, as the scans play a critical role in saving the lives of thousands of people every day, according to an official with the American Association of Physicists in Medicine (AAPM).

2 Dec 2007

Potential early warning system for lung cancer identified

The study, published in the journal Thorax, found that changes in the blood can be detected which signal the presence of lung cancer, and that these changes can be present years before outward symptoms become apparent.

29 Nov 2007

Genetic differences point to ethnic and racial disparities in colorectal cancer risk

Risk of developing colorectal cancer is known to differ across ethnic and racial groups, and now an analysis of 26 studies, involving over 25,000 participants shows that some of these disparities might be explained by distinct patterns of genetic inheritance.

29 Nov 2007

Defensive medicine leads to overuse of CT scans

Computed Tomography (CT) scans are an increasingly used X-ray-based tool for providing a three-dimensional view of a particular organ or tissue.

29 Nov 2007

The health risk posed by excessive CT scans

Scientists in the United States have expressed concern about the number of computed tomography or CT scans now being performed.

29 Nov 2007

Unprecedented increase in the use of radiologic exams on pregnant women

The past decade has seen an unprecedented increase in the use of radiologic exams on pregnant women, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

27 Nov 2007

Cryoablation for bone cancer tumors reduces pain, study shows

Cryoablation, a procedure most commonly associated with destroying kidney and prostate tumors by freezing them, has been shown to offer durable pain relief of cancer that has spread to bone.

27 Nov 2007

Gastric bypass complications

Obese patients who suffer complications after gastric bypass surgery may face further health risks because their weight exceeds the limits of diagnostic imaging equipment, according to a study presented at the annual meeting of the Radiological Society of North America (RSNA).

27 Nov 2007

Pregnant women may be having too many high-tech scans

A new study has found that pregnant women are having more high-tech imaging examinations and are thereby exposing their babies to higher doses of radiation than a decade ago.

27 Nov 2007

Computed tomography angiography accurate in detecting coronary artery disease

Computed tomography (CT) angiography is as accurate as an invasive angiogram in detecting coronary artery disease, according to the findings of the first two prospective multicenter 64-slice scanner trials presented today at the annual meeting of the Radiological Society of North America (RSNA).

27 Nov 2007

Transcranial magnetic stimulation for depression

For the first time in a large-scale study, transcranial magnetic stimulation has been shown to be an effective, non-drug treatment for major depression.

21 Nov 2007

Potential link between congenital heart anomaly and migraines

Interventional cardiologists at Rush University Medical Centerare investigating whether a heart procedure may be the key to relieving migraines in patients with severe headaches.

21 Nov 2007

How can we know early who will benefit from tumor target therapy?

The precise tailoring of tumor target treatment for patients with cancer is an unmet challenge.

21 Nov 2007

Whole-body positron emission tomography can reassure cervical cancer patients

Whole-body PET (positron emission tomography) scans done three months after completion of cervical cancer therapy can ensure that patients are disease-free or warn that further interventions are needed, according to a study at Washington University School of Medicine in St. Louis.

21 Nov 2007

FDA clears Veridex test for the monitoring of metastatic colorectal cancer

Veridex, LLC has announced that the U.S. Food and Drug Administration (FDA) has granted an expanded clearance for the CellSearch System to be used as an aid in the monitoring of metastatic colorectal cancer.

21 Nov 2007

New guideline for how to treat a person's first unprovoked seizure

A guideline developed by the American Academy of Neurology recommends a routine electroencephalogram (EEG) and brain scans be considered when diagnosing and treating adults who experience their first unprovoked seizure.

19 Nov 2007

New device delivers radiation therapy to specific tumor sites

Physicians at the Rebecca and John Moores UCSD Cancer Center will present the initial outcomes of their use of a new device that delivers radiation therapy to a specific tumor site at the annual meeting of the Radiological Society of North America (RSNA), November 25-30, 2007, in Chicago, Illinois.

19 Nov 2007

Increase in eating disorder symptoms among ethnic groups

Eating disorders in the U.S. among ethnic groups were thought to be rare, but recent studies have shown that many cultures are now exposed to the thin beauty ideal.

19 Nov 2007

CT colonography used in elderly patients detects a high number of abnormalities outside the colon

CT colonography (CTC), when used in elderly patients, can detect a high number of new and significant abnormalities outside the colon (including cirrhosis and tumors) and is well tolerated, according to a recent study conducted by researchers at St. James's University Hospital in Leeds, United Kingdom (UK).

16 Nov 2007